Day 1

R-X diagram
Basic elements of an R-X diagram
How do we use it to represent load, line impedance, etc.?
How do we use this diagram to observe distance relay behavior using this diagram?

Distance Protection
Basic principles
Characteristics and operating principles of Mho
Characteristics and operating principles of Quad
Polarization for phase and ground distance
Determination of directionality
Step Distance protection using distance relays
Infeed effect
Impact of arc resistance
K-factor used in ground distance
Expanding mho characteristics
Zone 1 acceleration
Differential Protection
Differential Protection

  • Vector compensation
  • Amplitude compensation
  • Handling various transformer connections
  • Harmonic restraint
  • Zero sequence elimination for external faults

Hands on testing of distance relays (line protection)

  • Pickup
  • Plotting operating points
  • Max Torque angle

Day 2

Testing of loss of field using distance relays (generator protection)

  • Pickup
  • Plotting operating points
  • Max Torque angle

Testing of differential relays

  • Min Pickup
  • Testing/plotting restraint curves

Day 3

Testing of rate of change of frequency
Testing of Reverse Power Relays
Testing of Synchronizing Relays
Testing of negative sequence relays